探検植物

Spinystar

escobaria vivipara

The Spinystar (Escobaria vivipara), also known as the beehive cactus, is a remarkably resilient small cactus that thrives in some of North America's harshest environments. Ranging from the hot deserts of northern Mexico and Texas up to the freezing plains of southern Canada, this cactus is built for survival. Despite its small size, it stands out for its beautiful, showy pink-to-purple flowers that bloom in late spring and summer. It often grows in dense, low-profile clumps, huddling against the rocky soil to shield itself from strong winds. This species is highly prized by naturalists and gardeners alike for its extreme cold hardiness. It is one of the few cactus species capable of surviving freezing winter temperatures down to -30 degrees Celsius. Its ability to shrivel and dehydrate during the winter prevents its cells from freezing and bursting, showcasing a spectacular evolutionary adaptation to temperate and sub-arctic climates.

生息地: Found in dry grasslands, rocky slopes, sagebrush steppes, and pinyon-juniper woodlands across North America.

外見

This small, globe-shaped to cylindrical cactus grows individually or in tight clusters, reaching heights of 2 to 15 centimeters. It is densely covered in a complex array of white, gray, or reddish-brown spines that radiate from small bumps on the stem, giving it a fuzzy, beehive-like appearance. In late spring, it produces vibrant, cup-shaped flowers at the top of its stems, featuring brilliant shades of magenta, pink, or purple with prominent yellow stamens. After flowering, it develops small, green, egg-shaped fruits that gradually turn brown as they mature.

PlantaeTracheophytaMagnoliopsidaCaryophyllalesCactaceaeEscobaria
Spinystar
Spinystar

カテゴリ

植物

レア度

Common

危険度

1/5 · 非常に低い

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おもしろい事実

Indigenous peoples historically used the sweet, ripe green fruits of this cactus as a food source, eating them fresh.

It is one of the most northern-ranging cacti in the world, surviving bitter Canadian winters where temperatures regularly drop below -30 degrees Celsius.

The species name 'vivipara' comes from Latin meaning 'live-bearing', referring to its habit of producing small clonal offsets or 'pups' around the base of the mother plant.

特殊能力

能力

Super-Cooling Antifreeze

It actively dehydrates its tissues and concentrates sugars in its cells during winter to survive extreme freezing temperatures.

能力

Spine Armor Shield

Its dense covering of overlapping spines protects against intense solar radiation, reduces wind-drying, and deters herbivores.

能力

Crassulacean Acid Metabolism

It opens its stomata only at night to capture carbon dioxide, minimizing water loss in arid environments.

サイズと詳細

長さ
2-15 cm
体重
0.05-0.5 kg
寿命
10-30 年

食性と食事

As a photoautotroph, the Spinystar produces its own energy through photosynthesis, utilizing sunlight, carbon dioxide, and water absorbed via its shallow root system.

主な食物

  • Sunlight
  • Carbon dioxide
  • Water
  • Soil minerals

生態系とのつながり

mutualism

Texas Striped Sweat Bee

Agapostemon texanus

Provides nectar and pollen to native bees, which assist in cross-pollination.

eaten by

Deer Mouse

Peromyscus maniculatus

Feeds on the seeds and fleshy pulp of the cactus fruits, aiding in seed dispersal.

特徴

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別名

まだ別名はありません。

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安全性

危険度

1/5 · 非常に低い

まだ特別な安全上の注意はありません。

よくある質問

Spinystarを見分けるには?

Spinystarを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。

Spinystarの長さは何ですか?

2-15 cm

Spinystarの体重は何ですか?

0.05-0.5 kg

Spinystarの寿命は何ですか?

10-30 年

Spinystarは何を食べますか?

As a photoautotroph, the Spinystar produces its own energy through photosynthesis, utilizing sunlight, carbon dioxide, and water absorbed via its shallow root system.

Spinystarは通常どこに生息していますか?

Found in dry grasslands, rocky slopes, sagebrush steppes, and pinyon-juniper woodlands across North America.

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